Cambridge Natural History Mammalia Fig 058

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Summary[edit] Description: English:.mw-parser-output.smallcaps{font-variant:small-caps}Fig. 58.—Sagittal section of brain of Rock Wallaby (Petrogale penicillata). ant.com, Anterior commissure; cbl, cerebellum; c.mam, corpus mammillare; c.qu, corpora quadrigemina; crur, crura cerebri; epi, epiphysis, with the posterior commissure immediately behind it; f.mon, position of foramen of Monro; hip.com, hippocampal commissure, consisting here of two layers continuous behind at the spleneium, somewhat divergent in front where the septum lucidum extends between them; hypo, hypophysis; med, medulla oblongata; mid.com, middle commissure; olf, olfactory lobe; opt, optic chiasma; vent. 3, third ventricle. (From Parker and Haswell's Zoology.). Date: 1902. Source: The Cambridge Natural History, Volume X—Mammalia. Author: Frank E. Beddard.